CVE-2026-57303 (GCVE-0-2026-57303)
Vulnerability from cvelistv5 – Published: 2026-06-24 13:20 – Updated: 2026-06-24 14:19
VLAI
Summary
Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.jenkins.io/security/advisory/2026-06-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jenkins Project | Jenkins Assembla Plugin |
Affected:
0 , ≤ 1.4
(maven)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-57303",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-24T14:18:07.148541Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"description": "CWE-918 Server-Side Request Forgery (SSRF)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-24T14:19:33.790Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Jenkins Assembla Plugin",
"vendor": "Jenkins Project",
"versions": [
{
"lessThanOrEqual": "1.4",
"status": "affected",
"version": "0",
"versionType": "maven"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery."
}
],
"providerMetadata": {
"dateUpdated": "2026-06-24T13:20:17.523Z",
"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
"shortName": "jenkins"
},
"references": [
{
"name": "Jenkins Security Advisory 2026-06-24",
"tags": [
"vendor-advisory"
],
"url": "https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1)"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
"assignerShortName": "jenkins",
"cveId": "CVE-2026-57303",
"datePublished": "2026-06-24T13:20:17.523Z",
"dateReserved": "2026-06-24T08:41:44.359Z",
"dateUpdated": "2026-06-24T14:19:33.790Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"39769cd5-e6e2-4dc8-927e-97b3aa056f5b\", \"shortName\": \"jenkins\", \"dateUpdated\": \"2026-06-24T13:20:17.523Z\"}, \"affected\": [{\"vendor\": \"Jenkins Project\", \"product\": \"Jenkins Assembla Plugin\", \"versions\": [{\"version\": \"0\", \"versionType\": \"maven\", \"lessThanOrEqual\": \"1.4\", \"status\": \"affected\"}], \"defaultStatus\": \"unknown\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.\"}], \"references\": [{\"name\": \"Jenkins Security Advisory 2026-06-24\", \"url\": \"https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1)\", \"tags\": [\"vendor-advisory\"]}]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-57303\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-24T14:18:07.148541Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-918\", \"description\": \"CWE-918 Server-Side Request Forgery (SSRF)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-24T14:17:24.201Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-57303\", \"assignerOrgId\": \"39769cd5-e6e2-4dc8-927e-97b3aa056f5b\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"jenkins\", \"dateReserved\": \"2026-06-24T08:41:44.359Z\", \"datePublished\": \"2026-06-24T13:20:17.523Z\", \"dateUpdated\": \"2026-06-24T14:19:33.790Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…